Description: 【Compatibility】: Metal ball head screws is suitable for Wltoys 1/14 RC Cars models 144001, 144002, 144010, 124010, 124008, 124007, 124016, 124017, 124018 and 124019. It's a perfect fit for these models ensuring optimal performance. 【Material】:Rc ball head screw made of high quality metal material that ensures durability and longevity 【Size】: Fixing spherical bolts screw measures a length of approximately 10mm which makes it an ideal size for easy installation and secure fit. 【Package Contents】:10 RC car ball head screws providing you with enough quantity to replace old or damaged parts in your RC cars. 【Easy to Install】: These screws are designed to be easily installed into your RC car models mentioned above without any hassle or need for special tools making them convenient.  Size Chart: 1cm/0.39inch Package Includes: 10 Metal Ball Head Screws(4 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.